class Solution
{
public:
    bool isAcronym(vector<string> &words, string s)
    {
        if (words.size() != s.size())
            return false;

        for (int i = 0; i < words.size(); i++)
        {
            if (words[i][0] != s[i])
                return false;
        }
        return true;
    }
};